US3169153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process and apparatus
Assignee: Phillips Petroleum Co
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Filing: 1961-09-15
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Granted: 1965-02-09
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Expires: 1981-09-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Walker
- 👤 Jr Thomas Hutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:09
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN WITH TWO OLEFINS OF DIFFERENT WEIGHTS WHICH COMPRISES INTRODUCING SAID ISOPARAFFIN INSUFFICIENT QUANTITY TO REACT WITH BOTH OLEFINS AND THE HEAVIER OLEFIN ALONG WITH HF ACID IN THE LIQUID PHASE INTO THE UPSTREAM END OF AN ELONGATED REACTION ZONE FREE OF INDIRECT HEAT EXCHANGE MEANS UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE IN AN OPTIMUM RANGE FOR ALKYLATING WITH SAID HEAVIER OLEFIN, WHEREBY THE TEMPERATURE IN SAID ZONE INCREASES DOWNSTREAM; INTRODUCING THE LIGHTER OLEFIN INTO SAID ZONE AT A POINT SUBSTANTIALLY DOWNSTREAM OF THE POINT OF INTRODUCTION OF SAID HEAVIER OLEFIN WHERE THE TEMPERATURE THEREIN IS IN AN OPTIMUM RANGE FOR ALKYLATING WITH SID LIGHTER OLEFIN; APPLYING SUFFICIENT PRESSURE IN SAID ZONE TO MAINTAIN REACTANTS IN LIQUID PHASE; AND RECOVERING ALKYLATE FROMBOTH ALKYLATION REACTIONS ALONG WITH ACID FROM THE DOWNSTREAM END OF SAID ZONE.
Claim 2
Dependent Claim
139 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN WITH TWO OLEFINS OF DIFFERENT WEIGHTS WHICH COMPRISES INTRODUCING SAID ISOPARAFFIN INSUFFICIENT QUANTITY TO REACT WITH BOTH OLEFINS AND THE HEAVIER OLEFIN ALONG WITH HF ACID IN THE LIQUID PHASE INTO THE UPSTREAM END OF AN ELONGATED REACTION ZONE FREE OF INDIRECT HEAT EXCHANGE MEANS UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE IN AN OPTIMUM RANGE FOR ALKYLATING WITH SAID HEAVIER OLEFIN, WHEREBY THE TEMPERATURE IN SAID ZONE INCREASES DOWNSTREAM; INTRODUCING THE LIGHTER OLEFIN INTO SAID ZONE AT A POINT SUBSTANTIALLY DOWNSTREAM OF THE POINT OF INTRODUCTION OF SAID HEAVIER OLEFIN WHERE THE TEMPERATURE THEREIN IS IN AN OPTIMUM RANGE FOR ALKYLATING WITH SID LIGHTER OLEFIN; APPLYING SUFFICIENT PRESSURE IN SAID ZONE TO MAINTAIN REACTANTS IN LIQUID PHASE; AND RECOVERING ALKYLATE FROMBOTH ALKYLATION REACTIONS ALONG WITH ACID FROM THE DOWNSTREAM END OF SAID ZONE.
References Cited (Backward Citations)
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US2386681A
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US2476750A
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US2511759A
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US2881235A
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US2910522A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |